(P17)	(Q219) (P143)
(P18)
(P31)	(Q18199879)
(P131)	(Q472) (P143) (P4656) https://pl.wikipedia.org/w/index.php?title=Trolejbusy_w_Sofii&oldid=58067007
(P137)	(Q112263409)
(P361)	(Q124360139)
(P373)	Trolleybuses in Sofia (P143)
(P571)	Friday, February 14, 1941
(P856)	http://elektrotransportsf.com (P143)
(P1619)	Friday, February 14, 1941 (P143) (P4656) https://fr.wikipedia.org/w/index.php?title=Trolleybus_de_Sofia&oldid=166424935
(P1705)	"Тролейбуси в София" (language: bg) (P143) (P4656) https://ru.wikipedia.org/?oldid=117976322
(P5817)	(Q55654238)

External Links

(P646)

/m/0h3xmp0